Home / 28,709.28-39,619.98-16,134

Finding the Fourth Proportional to 28,709.28, 39,619.98 and 16,134

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Solution

The fourth proportional to 28,709.28, 39,619.98 and 16,134 is: 22,265.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.28 : 39,619.98 = 16,134 : x
  2. Step 2: Convert to fraction form
    28,709.28/39,619.98 = 16,134/x
  3. Step 3: Cross multiply
    28,709.28x = 39,619.98 × 16,134
  4. Step 4: Simplify right side
    28,709.28x = 639,228,757.32
  5. Step 5: Solve for x
    x = 639,228,757.32/28,709.28
  6. Step 6: Final answer
    x = 22,265.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.